E.on Se

Regulated network revenues, which account for approximately 79% of group EBITDA, are set by multi-year regulatory frameworks in Germany, the UK, and Sweden, with allowed returns determined on the regulatory asset base. E.ON grew adjusted EBITDA consistently from FY2020 through FY2025, including through the FY2022 European energy price crisis, demonstrating the durability of this regulated income stream.

Energy Networks contributed approximately EUR 7.7 billion of the EUR 9.8 billion total adjusted EBITDA in FY2025 (roughly 79%), with Energy Infrastructure Solutions at approximately EUR 590 million and Energy Retail comprising the remainder. A single segment of this dominance creates material concentration risk if German or UK network regulation turns materially adverse.

E.ON operates across Germany, the UK, Sweden, and other European countries, serving more than 50 million customers, but Germany accounts for the majority of network assets and EBITDA, with the UK as the second-largest market. Sweden and other European operations provide modest additional diversification, keeping the home-market share estimated above 50% but below the 80-90% threshold of a near single-country operator.

As a regulated infrastructure operator, E.ON's revenue growth requires proportional capital investment in the network asset base, with investments rising to EUR 8.5 billion in FY2025 and targeted at approximately EUR 9.6 billion per year by 2028. Operating leverage is structurally limited by the capex-intensive nature of electricity and gas distribution infrastructure, consistent with the utility sector's inherent cost-revenue linkage.

Regulated network earnings, representing approximately 79% of adjusted EBITDA, are effectively contractual through multi-year regulatory determinations and tied to non-discretionary electricity and gas distribution services. The retail segment, while serving essential household needs, operates in a competitive commodity market with limited stickiness and annual household switching rates of 10-20% in Germany and the UK, moderating overall revenue quality.